8849644140 has 48 divisors (see below), whose sum is σ = 24787496160. Its totient is φ = 2359096320.

The previous prime is 8849644129. The next prime is 8849644157. The reversal of 8849644140 is 414469488.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8849644140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162820 + ... + 210260.

It is an arithmetic number, because the mean of its divisors is an integer number (516406170).

Almost surely, 2^8849644140 is an apocalyptic number.

It is an amenable number.

8849644140 is an abundant number, since it is smaller than the sum of its proper divisors (15937852020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8849644140 is a wasteful number, since it uses less digits than its factorization.

8849644140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50562 (or 50560 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 8849644140 is about 94072.5472175597. The cubic root of 8849644140 is about 2068.4352757749.

The spelling of 8849644140 in words is "eight billion, eight hundred forty-nine million, six hundred forty-four thousand, one hundred forty".